1. put the game CD in, open alcohol then go to "Image Making Wizard"
2. Select The Correct Drive then select "General Protected CD" under the "Data Type" then click next'
3. Select where you want to save the image hit 'Next'
4. Alcohol will then make an image of the CD.

Once alcohol has made the image you can then removed the CD, and Mount the image you made. To mount it you can either navigate to where you saved it in windows and right click and go to "Mount Image" or you can do it through Alcohol. Open Alcohol then down the bottom you will see some devices, right click on the virtual drive and go to "Mount image"